More clues emerge about attempted Time Square bombing

Monday - 5/3/2010, 4:43pm EDT

David Silverberg, editor, Homeland Security Today

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We're hearing more and more clues into that failed car-bomb attack in New York's Times Square over the weekend.

Investigators are still scouring for more videotapes that may be out there showing the area where the dark-colored SUV was parked, right along a busy strip lined with theaters and restaurants.

Homeland Security Today editor David Silverberg says the attempt is similar to an event that happened outside one of the nation's biggest banks in the early 20th century.